Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 122/145
Name: Liquid heaters and vaporizers > Flue > Horizontal > Internal water tube > Transverse
Description: Devices having water tubes extending across the flues and communicating with the boiler at both ends.

Sub-classes under this class:

Class Number Class Name Patents
122/146 Drop water firebox 0
122/147 Return fire tube 0

Patents under this class:

Patent Number Title Of Patent Date Issued
4316436 Heat exchanger Feb. 23, 1982
4062324 Firetube economizer Dec. 13, 1977
4044726 Circulating water heater Aug. 30, 1977

  Recently Added Patents
Rechargeable battery
Drug comprising as the active ingredient proliferative vector containing survivin promoter
Method of using nutritional compounds dihydroquercetin (taxifolin) and arabinogalactan in combination with dihydroquercetin (taxifolin) to reduce and control cardiometabolic risk factors assoc
Charging member, electrophotographic apparatus, and process cartridge
Adjustable high precision surveying device
Device for maneuvering a vehicle using maneuvering moves using at least one trajectory
Toy track intersection component
  Randomly Featured Patents
Offal scraper
Truck box top molding
Wire structure, method for fabricating wire, thin film transistor substrate, and method for fabricating thin film transistor substrate
Method and apparatus for solid organ tissue approximation
Resin component welding structure
Method and apparatus for absorbing lateral sideframe vibration in printing units
Image capturing apparatus with clarity sensor, underwater image compensation and underwater flash compensation
Hand truck for moving large drums
Method and system for programming FPGAs on PC-cards without additional hardware
Print attribute setting apparatus, print attribute setting method, and print attribute setting program